MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8117d59f87db2364909da2a3606167b5067eade5578025135c590fbf3e156621. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



GCleaner


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 8117d59f87db2364909da2a3606167b5067eade5578025135c590fbf3e156621
SHA3-384 hash: 7746bc115759ab7685ec8a491de4ebde350b453eaffb8dda579bb980a72a4b517983723b33ef7b58ec87dae9f27cd697
SHA1 hash: dfff338a922e3a73d80692ccefcd4692e9842e76
MD5 hash: 824ab6eeaf0aca7fa1d036eca3f86209
humanhash: sink-three-speaker-tango
File name:file
Download: download sample
Signature GCleaner
File size:2'637'270 bytes
First seen:2022-11-02 14:00:31 UTC
Last seen:2022-11-02 14:29:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'503 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2COHiMlMpNnll6+2/tt0oIS1W7cdpPvLImDj1CspdiPDg1I7OAPBFZA5hq:MCOLT+2FJd1ecTLImDdpsPFQDq
TLSH T102C533B3C316DF35D4329AFA8AB5434D1E737BA48778284871BC531D3D36902A1A277A
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://95.214.24.96/load.php?pub=mixinte

Intelligence


File Origin
# of uploads :
10
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-02 14:03:03 UTC
Tags:
installer loader evasion trojan ficker stealer vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Searching for synchronization primitives
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 735989 Sample: file.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 80 46 45.139.105.1 CMCSUS Italy 2->46 48 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->48 50 Antivirus detection for URL or domain 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 2->54 56 3 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-98DU8.tmp, PE32 10->30 dropped 13 is-98DU8.tmp 16 25 10->13         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->34 dropped 36 C:\...\unins000.exe (copy), PE32 13->36 dropped 38 4 other files (2 malicious) 13->38 dropped 16 flsearcher67.exe 24 13->16         started        process8 dnsIp9 40 107.182.129.235, 49705, 80 META-ASUS Reserved 16->40 42 171.22.30.106, 49706, 80 CMCSUS Germany 16->42 44 45.139.105.171, 49702, 80 CMCSUS Italy 16->44 28 C:\Users\user\AppData\...\BhwGhHZJP8tCT.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 BhwGhHZJP8tCT.exe 16->22         started        file10 process11 process12 24 taskkill.exe 1 20->24         started        26 conhost.exe 20->26         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-11-02 14:06:53 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c5dd56ac759a7f12f0bb36e9ae0884679116d05e39e4ce98c2c0bf151ba65e06
MD5 hash:
6585d94b44e20a96f63b5e36c67eda58
SHA1 hash:
39e715c8c7875555fb3dbcfc414c5f759961a3e1
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
b3039e60dea3f228b939ac8145a1616890787042dd8dca6ca45350b01b0bd2df
MD5 hash:
df8f34b9673b82ad6905ef6d28607380
SHA1 hash:
4c8bf8c85df6e3411ba40080f7d6f49ca0dfe944
SH256 hash:
8117d59f87db2364909da2a3606167b5067eade5578025135c590fbf3e156621
MD5 hash:
824ab6eeaf0aca7fa1d036eca3f86209
SHA1 hash:
dfff338a922e3a73d80692ccefcd4692e9842e76
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:win_gcleaner_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments